Sweeping-machine.



NTTED STATES PATENT OFFICE.

OLE PEDERSON, oF-Los ANGELES, CALIFORNIA, ASSIGNOR on ONE-HALF TO TIMOTHY M. RAYGOSA, OF SAMEZPLAOE.

ISW'EEV'PING-MVACHINE.

SPECIFICATION forming part of Letters Patent NO. 654,487, dated. July 24, 1960 Application filed December 28, 1899. Serial No. 741,856. (No model.)

To all "whom it may mm.-

Be it known that I, OISE PEDER'soi I, a citizen of the United States, with residence and post-office address at Los Angeles, in the county of lios Angelesand State of California, have invented certain new and useful Improvements in Sweeping-Machines, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, which form a part of this specification. I My invention relates to sweeping-machines that may be used on streets,wa1ks, lawns, as. preferably driven by hand power, and in which the sweeping-roller is readily adjustable, so as to incline the roller in any desired direction; and my invention consists in oer: tain features of novelty hereinafter described and claimed.

Figure I is a side elevation of my machine. Fig. II is a top View. Fig. III is a front elevation. Fig. IV is a section taken on line IV IV, Fig. II. clutch connected with the driving-pulley.

Referring to the drawings, 1 represents the frame with which the various parts connect, said frame having a rearwardly-extending fork 2, to which the driving-shaft 3 is journaled. v

4 represents the driving-wheels secured to the ends of the shaft 3, and 5 represents a grooved driving-pulley centrally located upon the driving-shaft 3, but loosely mounted thereon. 1

6 represents collars located on thedrivingshaft 3 on each side of the driving-pulleys,

said collars being secured to the driving-shaft bymeans of pins 7.

8 represents recesses in the collars 6, in which are located pins 9.

10 represents coil-springs placed within'the recesses 8 at the inner ends of the pins 9.

11 represents ratchet-teeth on the hub of the driving-pulley 5 with which the pins9 come in contact, the result being that as the machine travels forwardly the pins come in engagement with the ratchet-teeth and cause the driving-pulley 5 to rotate with the driv ing-shaft. If the machine is drawn back ward, the pins 9 slip over the sloping faces of the ratcl1et=teeth and the driving-pulley re- Fig. V is a detail view showing mains stationary in its relation withthe driv ing-sha'ft.

12 represents the handle by which the machine is preferably operated; but I'do not con- -fine myself to any special form of power for operating the machine.

13 represents sweeping-rollers, of which there are preferably two, one on each side of the main frame,'said rollers being provided with teeth or tufts 14, made of any material found desirable, according to the work to be performed, said teeth or tufts being secured to the periphery of the rollers13.

15 represents the roller-shaft, which is centrally journaled tohub s 16 of a fork 17, the upper end of the fork 17 being journaled at 18 to a collar 19 on the forward end of the main frame 1. Therollers 13 are provided at their innerends with circular recesses 20, which fit over the hubs 16 of the fork 17.

21 represents pins or collars secured to the roller-shaft 15, against which the-rollers 13 abut' at the inner ends of the circular recesses 20, the outer ends of the rollers 13 preferably having countersunk recesses 22, into which theouter ends of the shaft 15 extend, 23 representing nuts placed on the ends of the shaft Within said recessesfor holding the rollers upon said shaft, the rollers being clamped between the nuts 23 and the collars 21, which cause them to rotate with the shaft 15. Any desired inclination or change of angle of the sweeping-brush is effected by means of a spring-lever 24, having its inner end secured to the fork 17 and its outer end engaging a segmental rack 25, theteeth of said rack holding the lever in the position in which it is placed by the operator.

26 represents a forked standard pivotally connectedwith a hub 27 near the forward end of the frame 1, said standard being vertically adjustable in the hub by means of a lower hand-wheel 28, havingthreaded connection with the standard and by means of a thumbperformed. The sweeping-brush is rotated by means of a belt 31, that passes over the driving-pulley 5 and over a driving-pulley 32, centrally located on the roller-shaft 15, The tension of the belt 31 is regulated by means of pulleys 33, over which the belt passes, said v to the frame, drive-wheels mountedon the drive-shaft-, a pulley loosely mounted on the drive-shaft, ratchet-teeth on the pulley, collars secured to the drive-shaft and having recesses, thrust-pins in said recesses, springs in the recesses for forcing the pins outwardly to engage the ratchet-teeth, a sweeping-brush pivoted to the frame and means for connecting the drive-pulley with the sweeping-brush for rotating the same, substantially as set forth.

2. In a sweeping-machine, the combination of a suitable frame, a fork journaled to the frame, hubs on the lower ends of said fork, a

shaft journaled in said hubs, collars on said shaft, sweeping brushes having recesses adapted to fit over said hubs and the fork and abut against said collars and nuts on the ends of the shaft for forcing the brushes in contact with said collars, substantially as set forth.

3. In a sweeping-machine, the combination of a suitable frame,a fork pivoted to the frame,

a shaft journaled to said fork, sweepingbrushes secured to the shaft, an adjustable standard secured to the frame, wheels on the lower ends of said standard and means for raisin g or lowering said standard in order to adjust the sweeping-brushes vertically, substa ntially as set forth.

4:. In a sweeping machine, the combination of a suitable frame,a fork pivoted to the frame, a shaft journaled to the fork, sweepingbrushes on the shaft, a pulley secured to the shaft,a vertical adjustable rod connected with the fork, tension-pulleys on said rod, a driving-pulley, means for operating the drivingpulley and a flexible driving mechanism passing over the driving-pulley, the tension-pulleys and around the pulley on the shaft of the sweeping-brushes, substantially as set forth.

OLE PEDERSON.

W itn esses:

EMMET H. WILSON, Ms. E. KNIGHT. 

